Chevrolet 19303238 7.0L 427ci LS7 High-Performance Long Block

Description

High-RPM track applications demand the Chevrolet 19303238 7.0L 427ci LS7 and its lightweight titanium internal components. Experience aggressive mid-range acceleration during competitive weekend track events. This build utilizes an advanced aluminum block to deliver 505 HP flawlessly.

Key Features of Chevrolet 19303238 7.0L 427ci LS7

• Aluminum LS7 Engine Block (Pressed-In Iron Sleeves): Reduces overall front-end vehicle weight significantly while maintaining high structural load capacities under severe mechanical stress.
• CNC-Ported Aluminum Heads (70cc Chambers): Utilizes 2.20-inch titanium intake valves and 1.61-inch sodium-filled exhaust valves to maximize high-velocity airflow port dynamics.
• Forged Titanium Connecting Rods: Sheds massive rotational weight to allow the engine to rev instantly to its 7000 RPM redline safely.
• Hypereutectic Aluminum Pistons (11.0:1 Compression): Optimizes fuel burn rates to generate high horsepower on standard premium 91 octane pump gas.
• Hydraulic Roller Camshaft (.591″/.591″ Lift): Extends valve duration to 211/230 at .050 to produce an aggressive track idle and unmatched mid-range pull.
• Pre-Installed Dry Sump Oil Pan: Ensures immediate and steady internal lubrication to protect the micro-polished crankshaft journals during high-G cornering.

Component Breakdown: Base Long Block Configuration

This assembled base long block provides a formidable big-displacement LS foundation for high performance swaps.

• A precision machined aluminum block houses a robust hydraulic roller camshaft designed to deliver massive torque for track performance.
• Lightweight aluminum cylinder heads improve overall thermal efficiency while strict block cleaning procedures ensure reliable head gasket sealing.

Vehicle Fitment & Compatibility Matrix

Designed to drop seamlessly into spacious engine bays this 7.0L block aligns perfectly with standard LS motor mounts. Sourcing one of our premium Chevrolet Performance LS engines modernizes your vehicle’s reliability instantly.

• Fits 2006-2013 Chevrolet Corvette Z06 models replacing tired factory LS7 blocks perfectly.
• Fits 2014-2015 Chevrolet Camaro Z/28 platforms seeking a direct fit premium replacement.
• Fits custom LS restomod swaps requiring a highly durable 427 CID dry-sump foundation.
• Fits custom pro-touring muscle car builds seeking a robust lightweight aluminum LS swap.

Fuel & Ignition System Requirements

Feeding this high-horsepower LS engine demands proper fuel tuning and reliable high-voltage ignition components.

• An upgraded electronic fuel injection system or high flow intake is required to supply the heads while utilizing 91 Octane premium pump gas prevents pre-ignition.
• Upgraded aftermarket coil packs and heavy duty spark plug wires must be utilized to maintain a powerful spark across the RPM band.

Installation, Break-In Oil & Priming Instructions

Proper initial startup procedures ensure the longevity of the hydraulic roller lifters and internal bearings.

• Transfer your existing dry-sump reservoir and intake manifold using fresh gaskets before manually priming the oil system with a dedicated LS priming tool.
• Fill the external tank with a high zinc break in oil and perform a varied RPM heat cycle before driving conservatively for the first 500 miles.

USA Warranty, Emissions & Logistics

Investing in this Chevrolet Performance crate engine secures peace of mind through comprehensive manufacturer backing.

• Backed by a strict 24-Month / 24,000-Mile manufacturer warranty this engine provides excellent protection against internal manufacturing defects.
• This assembly is designated strictly for Race Use Only on non-pollution controlled motor vehicles and ships securely without a core exchange requirement.